New York (JFK) to Seattle (SEA)
Flight time
≈ 5h 38m
Bearing
298° NW
New York (JFK) to Seattle (SEA) is 2,415 miles (3,887 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies JFK–SEA
Filed traffic dataIn May 2026, Alaska Airlines operated the most departures, one of 3 carriers flying nonstop JFK–SEA; the Airbus A321neo was the most common aircraft at 40% of departures; flights ran 85% full.
Departures
513
May 2026
Seats
94,589
both directions
Passengers
80,051
both directions
Load factor
84.6%
RPM ÷ ASM
Who flies JFK–SEA?
Alaska Airlines operated the most nonstop JFK–SEA departures in May 2026 (239), one of 3 carriers on the route.
- AS
239 departures · 42,217 seats
Share of departures46.6%81.4%
Load
- DL
238 departures · 45,172 seats
Share of departures46.4%88.3%
Load
- B6
36 departures · 7,200 seats
Share of departures7.0%80.5%
Load
What plane flies JFK–SEA?
In May 2026, the Airbus A321neo flew 40% of JFK–SEA departures — more than any other aircraft type.
- Airbus A321neo
207 departures · 87.7% load
40.4% - Boeing 737-900ER
118 departures · 81.6% load
23.0% - Boeing 737 MAX 9
102 departures · 81.6% load
19.9% - Boeing 757-200
37 departures · 93.0% load
7.2% - Airbus A321
26 departures · 81.2% load
5.1% - Boeing 737-800
19 departures · 77.0% load
3.7% - Boeing 767-300
2 departures · 66.9% load
0.4% - Boeing 737 MAX 8
2 departures · 59.3% load
0.4%
How has JFK–SEA traffic changed?
Nonstop JFK–SEA departures fell from 535 in June 2025 to 513 in May 2026.
Monthly nonstop JFK–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
535 departures · 91,637 passengers
92.0%
Load
July 2025
535 departures · 92,965 passengers
93.2%
Load
August 2025
550 departures · 96,383 passengers
93.7%
Load
September 2025
537 departures · 87,077 passengers
86.6%
Load
October 2025
534 departures · 84,178 passengers
84.7%
Load
November 2025
446 departures · 68,090 passengers
82.8%
Load
December 2025
438 departures · 70,166 passengers
87.0%
Load
January 2026
357 departures · 55,401 passengers
83.9%
Load
February 2026
331 departures · 49,541 passengers
81.3%
Load
March 2026
416 departures · 63,125 passengers
82.7%
Load
April 2026
450 departures · 66,257 passengers
79.9%
Load
May 2026
513 departures · 80,051 passengers
84.6%
Load
By direction
Each direction is filed separately — they rarely match.
JFK → SEA
86.3% full
258 departures · 41,006 passengers
SEA → JFK
82.9% full
255 departures · 39,045 passengers
Nonstop JFK–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is New York (JFK) from Seattle (SEA)?
JFK to SEA is 2,415 miles (3,887 km / 2,099 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from JFK to SEA?
A nonstop covers the 2,415-mile great-circle distance in roughly 5h 38m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies JFK–SEA?
In May 2026, the Airbus A321neo flew the largest share of departures (40.4%), followed by the Boeing 737-900ER (23.0%).
What mileage do I earn flying JFK–SEA?
Distance-based programs credit off the 2,415-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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